[PATCH v2 5/7] soc: fsl: guts: use of_root instead of own reference

From: Michael Walle
Date: Wed Feb 09 2022 - 11:33:25 EST


There is already a global of_root reference. Use that instead of getting
one on our own. We don't need to care about the reference count either
this way.

Signed-off-by: Michael Walle <michael@xxxxxxxx>
---
drivers/soc/fsl/guts.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c
index f992064a7f58..13d07cc19f45 100644
--- a/drivers/soc/fsl/guts.c
+++ b/drivers/soc/fsl/guts.c
@@ -112,7 +112,7 @@ static const struct fsl_soc_die_attr *fsl_soc_die_match(

static int fsl_guts_probe(struct platform_device *pdev)
{
- struct device_node *root, *np = pdev->dev.of_node;
+ struct device_node *np = pdev->dev.of_node;
struct soc_device_attribute *soc_dev_attr;
static struct soc_device *soc_dev;
struct device *dev = &pdev->dev;
@@ -138,17 +138,13 @@ static int fsl_guts_probe(struct platform_device *pdev)
if (!soc_dev_attr)
return -ENOMEM;

- root = of_find_node_by_path("/");
- if (of_property_read_string(root, "model", &machine))
- of_property_read_string_index(root, "compatible", 0, &machine);
+ if (of_property_read_string(of_root, "model", &machine))
+ of_property_read_string_index(of_root, "compatible", 0, &machine);
if (machine) {
soc_dev_attr->machine = devm_kstrdup(dev, machine, GFP_KERNEL);
- if (!soc_dev_attr->machine) {
- of_node_put(root);
+ if (!soc_dev_attr->machine)
return -ENOMEM;
- }
}
- of_node_put(root);

soc_die = fsl_soc_die_match(svr, fsl_soc_die);
if (soc_die) {
--
2.30.2